Report Two Million Households 'do Not Realise They Are Living On Flood Plains' in House prices and the economy Posted July 9, 2014 The likeliest is that when there is loss of land then food prices start going up, malnutrition and famines then act as the natural population reducers that they always have. The poorest countries will suffer the worst and this will continue until a lower global population carrying level is reached. Malthus. Try the link I posted earlier about sea level rise maps.. then put it to +7 meters and look at what happens to China. Oops. Do we really need Shanghai?